.top_img {
    min-width: 1000px;
    height: 300px;
    border: 1px solid black;
}

.top_img .img {
    min-width: 1000px;
    height: 200px;
    border: 1px solid black;
}

.top_img .nav {
    height: 100px;
    border: 1px solid black;
}

.top_img .nav ul {
    display: flex;
    height: 100px;
    border: 1px solid black;
    justify-content: space-evenly;
    align-items: center;
}

.top_img .nav ul li {
    display: inline-block;
    width: 100px;
    height: 50px;
    border: 1px solid black;
}